101320302320021 has 4 divisors (see below), whose sum is σ = 101531826960000. Its totient is φ = 101108777680044.

The previous prime is 101320302320009. The next prime is 101320302320047. The reversal of 101320302320021 is 120023203023101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101320302320021 - 2¹⁰ = 101320302318997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101320302319975 and 101320302320002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101320302320221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105762319271 + ... + 105762320228.

It is an arithmetic number, because the mean of its divisors is an integer number (25382956740000).

Almost surely, 2^{101320302320021} is an apocalyptic number.

It is an amenable number.

101320302320021 is a deficient number, since it is larger than the sum of its proper divisors (211524639979).

101320302320021 is an equidigital number, since it uses as much as digits as its factorization.

101320302320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211524639978.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 101320302320021 its reverse (120023203023101), we get a palindrome (221343505343122).

The spelling of 101320302320021 in words is "one hundred one trillion, three hundred twenty billion, three hundred two million, three hundred twenty thousand, twenty-one".